
591-72104R Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $52.63 | Condition is Used, Driver Assist Blind Spot Alert Module Rear Quarter Fits 13-14 MAZDA CX-5 769392, FREE SHIPPING | ![]() |
![]() | $53.86 | Top Pick! Condition is Used, Passenger Chassis ECM Driver Assist Rear Quarter Fits 13-15 Mazda CX-5 OEM, FREE SHIPPING | 99.7% |
![]() | $54.00 | Condition is Used, 2013 2014 2015 Mazda CX-5 Rear Right Passenger Blind Spot Radar KD31-67-Y30A, FREE SHIPPING | 99.9% |
![]() | $65.00 | Condition is Used, Passenger Chassis ECM Driver Assist Rear Quarter Fits 13-15 MAZDA CX-5 625249, FREE SHIPPING | ![]() |
![]() | $70.00 | Condition is Used, Passenger Chassis ECM Driver Assist Rear Quarter Fits 13-15 MAZDA CX-5 1175440, FREE SHIPPING | 99.2% |
![]() | $73.00 | Condition is Used, Passenger Chassis ECM Driver Assist Rear Quarter Fits 13-15 MAZDA CX-5 521497, FREE SHIPPING | ![]() |
![]() | $75.90 | Condition is Used, Passenger Chassis ECM Driver Assist Rear Quarter Fits 13-15 MAZDA CX-5 343608, FREE SHIPPING | ![]() |
![]() | $78.00 | Condition is Used, Passenger Chassis ECM Driver Assist Rear Quarter Fits 13-15 MAZDA CX-5 514598, FREE SHIPPING | ![]() |
![]() | $85.00 | Condition is Used, Passenger Chassis ECM Driver Assist Rear Quarter Fits 13-15 MAZDA CX-5 590747, FREE SHIPPING | 99.1% |
![]() | $92.00 | Condition is Used, Passenger Chassis ECM Driver Assist Rear Quarter Fits 13-15 MAZDA CX-5 1267294, FREE SHIPPING | 98.4% |
![]() | $94.80 | Condition is Used, Blind Spot Driver Assist Module Right Passenger 13-15 MAZDA CX-5 1061966, FREE SHIPPING | ![]() |
![]() | $85.50 | Top Pick! Condition is Used, 13 14 15 MAZDA CX-5 Passenger ECM Driver Assist Rear Quarter OEM KD31-67Y30-A, shipping cost = $10.00 | ![]() |
![]() | $85.50 | Condition is Used, 13 14 15, Mazda CX-5, Chassis ECM Rear Right Assist Module, KD31-67Y30-A, OEM, shipping cost = $10.00 | ![]() |
![]() | $95.00 | Condition is Used, Passenger Chassis ECM Driver Assist Rear Quarter Fits 13-15 MAZDA CX-5 598412, FREE SHIPPING | 99.1% |
![]() | $95.00 | Condition is Used, Passenger Chassis ECM Driver Assist Rear Quarter Fits 13-14 MAZDA CX-5 533098, FREE SHIPPING | 99.1% |
![]() | $95.00 | Condition is Used, Passenger Chassis ECM Driver Assist Rear Quarter Fits 13-15 MAZDA CX-5 361158, FREE SHIPPING | 98.4% |
![]() | $99.85 | Top Pick! Condition is Used, Passenger Chassis ECM Driver Assist Rear Quarter Fits 13-14 MAZDA CX-5 113709, FREE SHIPPING | 99.2% |
![]() | $90.00 | Top Pick! Condition is Used, 13-15 Mazda CX-5 Passenger Chassis ECM Driver Assist Rear Quarter OEM KD3167Y30A, shipping cost = $10.00 | ![]() |
![]() | $95.00 | Condition is Used, Passenger Chassis ECM Driver Assist Rear Quarter Fits 13-15 MAZDA CX-5 382219, shipping cost = $10.00 | 98.4% |
![]() | $89.92 | Condition is Used, 13-15 MAZDA CX5 RH Passenger Blind Spot Module Driver Assist Rear Quarter , shipping cost = $20.71 | ![]() |
![]() | $114.80 | Condition is Used, Right Passenger Driver Assist KD3167Y30A Computer 13-14 MAZDA CX-5 82657, FREE SHIPPING | 99.8% |
![]() | $115.00 | Condition is Used, Passenger Chassis ECM Driver Assist Rear Quarter Fits 13-15 MAZDA CX-5 1691110, FREE SHIPPING | 99.5% |
![]() | $117.89 | Top Pick! Condition is Used, Passenger Chassis ECM Driver Assist Rear Quarter Fits 13-15 MAZDA CX-5 6844089, FREE SHIPPING | ![]() |
![]() | $122.90 | Condition is Used, Passenger Chassis ECM Driver Assist Rear Quarter Fits 13-15 MAZDA CX-5 220114, FREE SHIPPING | 98.6% |
![]() | $122.90 | Condition is Used, Passenger Chassis ECM Driver Assist Rear Quarter Fits 13-15 MAZDA CX-5 220113, FREE SHIPPING | 98.6% |
![]() | $124.00 | Condition is Used, Passenger Chassis ECM Driver Assist Rear Quarter Fits 13-15 MAZDA CX-5 915318, FREE SHIPPING | ![]() |
![]() | $126.02 | Condition is Used, Passenger Chassis ECM Driver Assist Rear Quarter Fits 13-15 MAZDA CX-5 12231227, FREE SHIPPING | 99.9% |
![]() | $131.25 | Condition is Used, Passenger Chassis ECM Driver Assist Rear Quarter Fits 13-15 MAZDA CX-5 1180314, FREE SHIPPING | 99.1% |
![]() | $158.64 | Top Pick! Condition is Used, Passenger Chassis ECM Driver Assist Rear Quarter Fits 13-15 MAZDA CX-5 225727, FREE SHIPPING | 98.5% |
![]() | $171.58 | Condition is Used, Passenger Chassis ECM Driver Assist Rear Quarter Fits 13-15 MAZDA CX-5 31804148, shipping cost = $5.00 | 98.7% |
![]() | $156.75 | Condition is Used, Passenger Chassis ECM Driver Assist Rear Quarter Fits 13-15 MAZDA CX-5 947966, shipping cost = $30.00 | 99.1% |
![]() | $190.65 | Condition is Used, Passenger Chassis ECM Driver Assist Rear Quarter Fits 13-15 MAZDA CX-5 32383486, shipping cost = $5.00 | 98.7% |
![]() | $490.00 | Condition is Used, Passenger Chassis ECM Driver Assist Rear Quarter Fits 13-15 MAZDA CX-5 713480, FREE SHIPPING | 91.8% |

The Mazda 591-72104R Passenger Chassis ECU (Electronic Control Unit) is a key component of the driver assist system in Mazda CX-5 models from the 2013 to 2015 generations. This ECU is specifically designed to control and manage the rear quarter driver assist features, enhancing safety and convenience for passengers.
The Mazda 591-72104R Passenger Chassis ECU is a sophisticated electronic device that utilizes advanced algorithms and sensors to monitor the vehicle's surroundings. It processes data from various sources, such as radar and cameras, to detect potential hazards and provide appropriate warnings or interventions.
One of the primary functions of this ECU is to control the Blind Spot Monitoring (BSM) system. This feature alerts the driver to other vehicles in their blind spot when changing lanes or merging into traffic. The BSM system uses radar sensors located at the rear quarters of the vehicle to detect other vehicles in the blind spot. When a vehicle is detected, a warning light illuminates in the corresponding side mirror.
Another function of the Mazda 591-72104R Passenger Chassis ECU is the Rear Cross Traffic Alert (RCTA) system. This feature helps the driver avoid collisions when reversing out of parking spaces or driveways. The RCTA system uses radar sensors to detect vehicles approaching from the sides. When a vehicle is detected, a warning tone will sound and a warning light will illuminate in the rearview monitor display.
The Mazda 591-72104R Passenger Chassis ECU also plays a role in the Lane Departure Warning System (LDWS) and the Smart City Brake Support (SCBS) system. The LDWS uses a camera located at the front of the vehicle to detect lane markings and alerts the driver when the vehicle starts to drift out of its lane. The SCBS system uses a radar sensor to detect obstacles in front of the vehicle and can apply the brakes automatically to prevent or mitigate collisions.
The Mazda 591-72104R Passenger Chassis ECU is a crucial part of the driver assist system in the Mazda CX-5. It processes data from various sensors and uses advanced algorithms to provide the driver with timely and accurate warnings or interventions. Installing a genuine Mazda replacement ECU, such as the 591-72104R, ensures the reliable and optimal performance of these features.
Pros and Cons of Buying Mazda CX-5 (59-172104R Passenger Chassis ECU Driver Assist Rear Quarter)
1. Improved Safety:* The Mazda CX-5 (59-172104R) Passenger Chassis ECU Driver Assist Rear Quarter is designed to enhance safety features, particularly in the rear quarter of the vehicle. This includes advanced rear collision mitigation, blind spot monitoring, and cross-traffic alert systems. These features help prevent accidents and provide peace of mind for the driver.
2. Enhanced Driving Experience:* The ECU upgrade can improve the overall driving experience by providing real-time vehicle data and optimizing engine performance. This can lead to better fuel efficiency, smoother acceleration, and a more responsive driving experience.
3. Compatibility with New Technologies:* Installing the Mazda CX-5 (59-172104R) Passenger Chassis ECU Driver Assist Rear Quarter allows the vehicle to be compatible with the latest advanced driver assistance systems (ADAS). This means the vehicle can stay up-to-date with the latest safety technologies and features.
4. Potential Resale Value:* Having the latest safety and driver assistance features can potentially increase the resale value of the vehicle. Buyers are often willing to pay a premium for vehicles that have the latest technology and safety features.
5. Cost:* The cost of purchasing and installing the Mazda CX-5 (59-172104R) Passenger Chassis ECU Driver Assist Rear Quarter can be a significant investment. The cost may vary depending on the installation location and the complexity of the installation process.
6. Installation Complexity:* Installing the ECU driver assist rear quarter may require professional installation services, which can add to the overall cost. Additionally, the installation process may require specialized tools and expertise, which can add time and complexity to the project.
7. Compatibility with Existing Systems:* The Mazda CX-5 (59-172104R) Passenger Chassis ECU Driver Assist Rear Quarter may not be compatible with all existing vehicle systems. It is important to verify compatibility with the vehicle's current systems before purchasing and installing the ECU.
Ending Conclusion:The Mazda CX-5 (59-172104R) Passenger Chassis ECU Driver Assist Rear Quarter offers significant safety and driving experience enhancements. These benefits include advanced collision mitigation, improved engine performance, compatibility with new technologies, and potential resale value. However, the cost and complexity of installation may be a deterrent for some buyers.
Recommendation:If safety and driving experience are top priorities, and the cost and installation complexity are manageable, then the Mazda CX-5 (59-172104R) Passenger Chassis ECU Driver Assist Rear Quarter is a worthwhile investment. For buyers who prioritize cost or installation complexity, it may be worth considering alternative options or waiting for future technology advancements.
Details:
Id kd3167y30a. Mazda CX-5 13-15 driver assist; blind spot alert, rear quarter, r.
specifications perfoelectric:
- for models: Cx-5
- for years: 2013–2015
- brand: Mazda
- part type: Ecm Quarter Driver Assist
- conditions options: Rh, Driver Assist, Blind Spot Alert
- genuine oem: Yes
- ipn: 591-72104r
- placement: Passenger/right
- year: 2014
- manufacturer warranty: 90 Day
offer perfoelectric:
- prices: $52.63–$490.00
- item condition: Used
- options: ship-to-home
- in stock #: 5
- sold #: 12
- availability: in stock
- started: february 11, 2026
shipping perfoelectric:
- service: standard
- class: standard
- transit: 2-7 days
- type: fixed
general perfoelectric:
- category: Auto Parts > Electrical Components
returns perfoelectric:
- policy: returns accepted
- paid by: buyer
- time: 30 days
payments perfoelectric:
- wallet: apple-pay
- credit card: visa
- other
seller perfoelectric:
- city: waukesha, wisconsin
- # reviews: 2672
- rating: 99.6%
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